Waterbed sheet



FIG. 1 is a top perspective view of a waterbed sheet showing my new design, with a portion shown unzipped and left back for clarity of illustration;

FIG. 2 is a top plan view thereof, the bottom being plain and unornmented;

FIG. 3 is an end elevational view thereof, the opposite end being identical in appearance; and

FIG. 4 is a side elevational view thereof, the opposite side being identical in appearance. 

The ornamental design for a waterbed sheet, as shown and described. 